COUPLECOL 5V 1A Portable Power Bank Shell Free Welding Battery Box Metal Power Bank DIY Kit USB External Charger Power Bank Storage Case Battery Case

Output: DC 5V Color: Purple, Black Red Silver Golden Green Blue Net Weight: 24g Battery: Suitable for 1x 18650 3.7V Li-ion flat head battery (not included ) Material: Metal Alloy Package Includes:1Pc Battery CaseInput: USB DC 5V Size: approx. 91.9mmx21.7mm 100% Brand new and high quality! Fashion style, simple and fashionable design with colorful shell Smaller, lighter, portable Self-adaptive technique allows intelligent faster, safer charging Charging-in with USB cord(Not included), or by charging the batteries with other chargers Strong compatibility for phone, pad, mobile, MP3, MP4, GPS, etc.